STATEMENT OF CHANGES IN NET ASSETS - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Increase (decrease) in net assets from operations:
Net investment loss	$ (449)	$ (1,126)	$ (1,442)	$ (150)	$ (3,330)	$ (2,782)	$ (118)
Net realized gain (loss) on investment in Bitcoin Cash	(280)	395	782	(85)	398	621	(201)
Net change in unrealized depreciation on Sponsor's Fee payable					0	0	40
Net change in unrealized (depreciation) appreciation on investment in Bitcoin Cash	(86,668)	(7,531)	(1,964)	(6,783)	(132,445)	59,541	(3,255)
Net (decrease) increase in net assets resulting from operations	(87,397)	(8,262)	(2,624)	(7,018)	(135,377)	57,380	(3,534)
Increase in net assets from capital share transactions:
Shares issued					11,124	92,401	2,779
Net increase in net assets resulting from capital share transactions					11,124	92,401	2,779
Total (decrease) increase in net assets from operations and capital share transactions					(124,253)	149,781	(755)
Net assets:
Beginning of year		$ 155,466		$ 5,685	155,466	5,685	6,440
End of year	$ 31,213		$ 155,466		$ 31,213	$ 155,466	$ 5,685
Change in Shares outstanding:
Shares outstanding at beginning of year		32,434,700		2,725,300	32,434,700	2,725,300	1,608,200
Shares issued					2,378,200	29,709,400	1,117,100
Net increase in Shares					2,378,200	29,709,400	1,117,100
Shares outstanding at end of year	34,812,900		32,434,700		34,812,900	32,434,700	2,725,300